This book synthesises research on very early language learning in pre-primary organised instruction settings such as kindergarten, nursery or afternoon classes. Using a framework of ecological development, it investigates the nested systems in which very young learners operate, the other agents involved in each of these systems and the influence…

Purpose: The purposes of this study were to: (a) meta-analyze the effects of academic press (AP) on K-12 student achievement in aggregate and in each examined learning subject; (b) meta-analyze the effect of school leadership of different leadership styles on AP; and (c) examine whether school level, subjects, and leadership or AP measures…

The public narrative surrounding efforts to improve low-performing K-12 schools in the United States has been notably gloomy. But what is known empirically about whether school improvement works, which policies are most effective, which contexts respond best to intervention, and how long it takes? We meta-analyze 141 estimates from 67 studies of…

The public narrative surrounding efforts to improve low-performing K-12 schools in the U.S. has been notably gloomy. Observers argue that either nothing works or we don't know what works. At the same time, the federal government is asking localities to implement evidence-based interventions. But what is known empirically about whether school…

In recent decades, K-12 school discipline policies and practices have garnered increasing attention among researchers, policymakers, and educators. Disproportionalities in school discipline raise serious questions about educational equity. This study provides a comprehensive review of the extant literature on the contributors to racial, gender,…

This report presents selected findings from the school district data file of the 2007-08 Schools and Staffing Survey (SASS). SASS is a nationally representative sample survey of public, private, and Bureau of Indian Education-funded (BIE) K-12 schools, principals, and teachers in the 50 states and the District of Columbia. The public school sample…